| Common Name | Blue Vervain, Swamp Verbena |
| Family | Lamiaceae |
| Genus | Verbena |
| Species | Hastata |
| Origin | North America |
| Blooming | Summer to Autumn |
| Leaf Color | Dark green, grey-green underside |
| Sunlight | Half-shade / Sun |
| Category | Outdoor plants |
| Pet Friendly | No |
Moist to wet soil; tolerates clay and heavy loam; hydrophilic preferences
High water needs; keep consistently moist, tolerates standing water better than drought
Full sun required for optimal blooming; tolerates partial shade in hot climates
Light application of balanced fertilizer in spring before flowering begins
Deadhead spent blooms to encourage reblooming; cut back hard after first frost for winter dormancy
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
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